Remove dfmc-projects and projects-protocol.

These aren't used, don't work and the original author suggested
that we start over rather than use this.

It is also difficult to update code that we don't run or even build
for changes happening to projects and seeing this code in grep
output is always confusing.
Merge pull request #522 from waywardmonkeys/remove-dfmc-projects

Remove dfmc-projects and projects-protocol.